Service manual
Table Of Contents
- Inroduction
- Yamaha Motor Corporation, USA YZ/WR Motorcycle Limited Warranty
- How to use this Manual
- Index
- Contents
- Chapter 1 General Information
- Chapter 2 Specifications
- Chapter 3 Regular Inspection and Adjustments
- Chapter 4 Engine
- Seat, Fuel Tank and Side Covers
- Exhaust Pipe and Silencer
- Radiator
- Carburetor and Reed Valve
- Cylinder Head, Cylinder and Piston
- Clutch and Primary Driven Gear
- Kick Axle, Shift Shaft and Primary Drive Gear
- YPVS Govenor
- Water Pump
- CDI Magneto
- Engine Removal
- Crankcase and Crankshaft
- Transmission, Shift Cam and Shift Fork
- Chapter 5 Chassis
- Chapter 6 Electrical
- Chapter 7 Tuning
4-46
ENG
YPVS GOVERNOR
EC4K3000
REMOVAL POINTS
EC4K3100
Governor
1. Remove:
9
Dowel pin 1
NOTE:
While compressing the spring, remove the dowel
pin.
EC4K4000
INSPECTION
EC4K4100
Governor groove
1. Inspect:
9
Plain washer 1
9
Collar 2
Wear/Damage → Replace.
EC4K4200
Bearing
1. Inspect:
9
Thrust bearing 1
9
Plain washer 2
Wear/Damage → Replace.
EC4K5000
ASSEMBLY AND INSTALLATION
EC4K5120
Governor
1. Install:
9
Governor gear 1
9
Compression spring 2
9
Plate 3
9
Plain washer 4
9
Thrust bearing 5
9
Collar 6
9
Retainer weight 7
To governor shaft 8.
NOTE:
Apply the lithium soap base grease on the thrust
bearing.
1C3-28199-10 135 04.5.17, 9:23:21 PM